>>> you're watching cbs 5 eyewitness news in high definition. >>> just steps from their door, water. the fear about a christmas day flood. good evening. i'm elizabeth cook. >> i'm allen martin. not the night anyone would want, let alone on christmas eve. tonight, a bay area neighborhood is nervously watching a fast-moving creek that's threatening to ruin their christmas. cbs 5 reporter elisa is in east palo alto where people spent the evening sandbagging their homes. >> reporter: i'm standing in front of some of those homes that had to be evacuated last night. but just yards away is that levy with crews hard at work, coming up with a temporary fix before tomorrow's rain. while most people spent christmas eve stacking presents under the tree, palo alto residents spent their night stacking sandbags, protecting their homes near a damaged levy, in preparation for more rain. sunday night, the creek spilled over the levy, flooding the neighborhood. >> we were swarmed with so much water last night that we had to run out. >> reporter: lucas brown was one of several evacuated. >> how is this